Re: [Xen-users] Changing MTU of vif

[Maximilian Wilhelm <max@xxxxxxxxxxx>]

Am Wednesday, den 26 March hub Tracy R Reed folgendes in die Tasten:

> Tracy R Reed wrote:
> >Anyone know how I can automatically set the MTU on a vif when I create 
> >the domain?
> 
> It was pointed out on IRC that perhaps the reason I cannot set the mtu 
> at this point in the script is that the frontend inside the domU may not 
> be up yet. And as I need to get this system into production and don't 
> want to spend any more time on this issue I have just written a script 
> and cron'd it to run every minute that will go through 
> /sys/class/net/stbr0/brif/ and set the mtu on all of the interfaces it 
> finds there to 9000.

> I'll be keeping an eye out for a more proper way to solve this problem 
> but I'm done for now. Thanks all!

#define HACK_VALUE

As you wrote it is some kind of timeing related problem.
Maybe the following hack might help:

Instead of just executing the MTU fiddling stuff right when setting up
the vif, delay the setup for $time like this:

(
        sleep $time
        set mtu ...
)&

HTH
Ciao
Max
-- 
        Follow the white penguin.

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